Water inlet and water outlet device and bathtub

Abstract

The water inlet and water outlet device and the bathtub of the present application increase a valve assembly in the water drainer, and the opening and closing of the valve assembly is controlled by a driving assembly, so that the water drainer can be opened without manual operation, which is convenient for users to use; a flow guide frame is added, the flow guide member conveys the water flow at the water inlet end of the shell to the flow guide frame, the water flow forms a waterfall after passing through the flow guide frame and flows out from the bottom of the flow guide frame, which does not interfere with the user, and the flow guide frame is arranged on the side wall of the bathtub, so that the water flow forms a waterfall and flows down along the side wall, the user can also back against the side wall of the bathtub, so that the back is below the water flow, the waterfall-shaped water flow also has a certain massage effect, and good experience is given to the user; the overflow seat and the overflow pipe are arranged, the other end of the overflow pipe is communicated with the water drainer, the overflow water flow is guided to the water drainer through the overflow pipe, and is discharged by the water drainer, so that the overflow water flow is reasonably solved, the structure is simple, and the occupied space is small.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bathtubs, in particular to a water inlet and outlet device and a bathtub. BACKGROUND

[0002] In the present life, bathtubs have become an essential sanitary product in people's daily life. People often use the way of bathing in the bathtub to relieve stress after a day of work. The conventional bathtub usually has a drain at the bottom of the bathtub and a water inlet on the side wall of the bathtub.

[0003] The drain is used to drain the water in the bathtub, and a valve is usually arranged at the drain position to control the drainage of the drain. Such a structure can be referred to, for example, a multifunctional bathtub disclosed in application No. CN201711154477.5, which comprises a cylinder bottom, a cylinder wall and a partition plate. The cylinder wall comprises a long wall and a short wall, the long wall has a vertical plate groove for placing the partition plate, the partition plate is a long rectangular thin plate, the cylinder bottom comprises a bottom recess, there is a water storage cavity in the short wall, the water storage cavity is a rectangular cavity, the upper surface of the short wall has a water injection part, the water injection part is composed of water injection passages arranged at intervals, and the water injection part further comprises a water outlet part, the water outlet part comprises a water outlet and a water outlet plug for plugging the water outlet, so that the water storage space in the bathtub can be artificially divided, thereby controlling the water consumption during each use of the bathtub. This bathtub realizes the plugging of the drain by the water outlet plug, which needs to be manually twisted open by the user, which is extremely inconvenient to operate.

[0004] The conventional water inlet generally installs a nozzle, such as a bathtub nozzle device disclosed in application No. CN202220895848.5, which is arranged on the bathtub and comprises a first water outlet channel, a second water outlet channel, a first nozzle and a second nozzle. The first nozzle is connected to the first water outlet channel, and the second nozzle is connected to the second water outlet channel. The first nozzle comprises a plurality of first water outlets, the water outlet directions of the plurality of first water outlets intersect at a focal point, the second nozzle comprises at least one second water outlet, the plurality of first water outlets surround the second water outlet, and the second nozzle is swingably arranged to adjust the water outlet direction of the second water outlet. The bathtub nozzle device further comprises an impeller arranged in the first water outlet channel, which can rotate under the driving of water flow to cyclically shield at least one of the plurality of first water outlets. The water is sprayed out through the nozzle, and the sprayed water flow easily disturbs the user during the bathing process. For example, the user applies a facial mask during the bathing process, and water droplets are easily splashed onto the facial mask, which is not good for the user experience.

[0005] In addition, the bathtub is usually provided with an overflow port, and a conventional method is to directly open a hole on the side of the bathtub, and then install an overflow joint and an overflow pipe to drain the overflow water through the overflow pipe. This structure occupies a large space and needs to guide the water of the overflow pipe, and the structure is complex.

[0006] Therefore, there is an urgent need for a water inlet and outlet device and a bathtub to solve the above problems. SUMMARY

[0007] In view of the deficiencies of the prior art, the purpose of the present application is to provide a water inlet and outlet device and a bathtub to solve the problems of conventional bathtubs that cannot automatically drain water, the water inlet interferes with the user, and the need for a separate overflow joint.

[0008] A water inlet and outlet device, comprising:

[0009] A drainage module comprising a drain with a valve assembly, a drive assembly for controlling the opening and closing of the valve assembly;

[0010] A water inlet module comprising a housing, a flow guide, and a flow guide frame, the flow guide conveying the water flow at the water inlet end of the housing to the flow guide frame, the water flow forming a waterfall through the flow guide frame and flowing out from the bottom of the flow guide frame;

[0011] An overflow module comprising an overflow seat with an overflow hole at the bottom, an overflow pipe communicating with the overflow hole, the overflow seat being fixedly connected to the housing, and the other end of the overflow pipe being in communication with the drain.

[0012] Specifically, the drain has a first drain port and a second drain port, the valve assembly is located in the first drain port, and the overflow pipe is in communication with the second drain port.

[0013] Specifically, the valve assembly comprises a bottom support, a detachable bottom pad fixed to the bottom support, and a bottom cover located on the bottom pad, and the bottom cover is indirectly driven to rise and fall by the drive assembly.

[0014] Specifically, a first sealing ring and a second sealing ring are provided between the housing and the overflow seat, the first sealing ring is attached to one end of the housing, the second sealing ring is attached to one end of the overflow seat, the opposite end faces of the first sealing ring and the second sealing ring are attached, and a third sealing ring is sleeved outside the bottom of the bottom support.

[0015] Specifically, the bottom cover has a extension rod, a screw rod, and a shaft rod connected in sequence at the lower end, the shaft rod is sleeved with a shaft sleeve, the drive assembly comprises a rotating arm, the rotating arm is threadedly connected with the screw rod and can rotate around the axis of the screw rod.

[0016] Specific, the drive assembly further comprises a pull wire connected to one end of the swing arm, a wire sleeve sleeved outside the pull wire, an electric cylinder for pulling the pull wire, a limit plate is further arranged in the swing direction of the swing arm, and a baffle and a spring are further sleeved on the exposed end of the swing arm, and the spring is located between the baffle and the swing arm.

[0017] Specific, the housing is provided with a water inlet connector, a plug-in part in communication with the water inlet connector, the water inlet connector is the water inlet end of the housing, one end of the water inlet connector is connected with a water inlet pipe, and a flow guide sealing piece is connected between the plug-in part and the flow guide piece.

[0018] Specific, the flow guide frame comprises an arched water blocking plate and a flow guide plate connected to the lower end of the water blocking plate, and the flow guide plate is arranged obliquely.

[0019] Specific, the water inlet module further comprises a face cover, the face cover is fixedly connected with the overflow seat, the flow guide frame is located between the face cover and the overflow seat, and a waterproof ring in abutment with the water blocking plate is arranged on the face cover.

[0020] A bathtub comprises a bathtub body provided with the water inlet and outlet device, a first opening is arranged at the bottom of the bathtub body, the drain is arranged at the position of the first opening, a second opening is arranged on the side wall of the bathtub body, and the water inlet module and the overflow seat are arranged at the position of the second opening.

[0021] The beneficial effects of the present application are as follows:

[0022] The water inlet and outlet device and the bathtub have the following beneficial effects: a valve assembly is arranged in the drain, the opening and closing of the valve assembly are controlled by the drive assembly, so that the drain can be completed without manual opening, and the user can use it conveniently; in addition, a flow guide frame is arranged, the flow guide piece conveys the water flow at the water inlet end of the housing to the flow guide frame, the water flow forms a waterfall after passing through the flow guide frame and flows out from the bottom of the flow guide frame, so that the user is not disturbed, the flow guide frame is arranged on the side wall of the bathtub, the water flow forms a waterfall and flows down along the side wall, the user can back against the side wall of the bathtub, so that the back is below the water flow, the waterfall-shaped water flow also has a certain massage effect, and the user has a good experience; in addition, the overflow seat with the overflow hole and the overflow pipe in communication with the overflow hole are arranged, the other end of the overflow pipe is in communication with the drain, the overflow water flow is guided to the drain through the overflow pipe and is drained by the drain, the overflow water flow is reasonably solved, the structure is simple, and the occupied space is small. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings of embodiments, wherein:

[0024] Figure 1The exploded view of the water inlet and outlet device;

[0025] Figure 2 The structure diagram of the shell, the first sealing ring and the second sealing ring installed on the bathtub;

[0026] Figure 3 The structure diagram of the overflow seat installed on the bathtub;

[0027] Figure 4 The structure diagram of the overflow seat equipped with the flow guide sealing piece and the flow guide piece;

[0028] Figure 5 The three-dimensional structure diagram of the overflow seat and the face cover combined;

[0029] Figure 6 The structure diagram of the waterproof ring installed on the back of the face cover;

[0030] Figure 7 The structure diagram of the third sealing ring installed on the first drainage port of the drain;

[0031] Figure 8 The structure diagram of the bottom cover, the extension rod, the screw rod, the shaft rod, the shaft sleeve and the rotary arm, wherein the rotary arm is threadedly connected with the screw rod, and the rotation of the rotary arm can drive the screw rod to rise and fall;

[0032] Figure 9 The structure diagram of the driving assembly;

[0033] Figure 10 The structure diagram of the water inlet and outlet device installed on the bathtub.

[0034] The reference signs are as follows: the drainage module 10, the valve assembly 50, the drain 11, the driving assembly 12, the water inlet module 20, the shell 21, the flow guide piece 22, the flow guide frame 23, the overflow module 30, the overflow hole 311, the overflow seat 31, the overflow pipe 32, the first drainage port 111, the second drainage port 112, the bottom support 51, the bottom pad 52, the bottom cover 53, the first sealing ring 41, the second sealing ring 42, the third sealing ring 43, the extension rod 54, the screw rod 55, the shaft rod 56, the shaft sleeve 57, the rotary arm 121, the pull wire 122, the wire sleeve 123, the electric cylinder 124, the spring 125, the water inlet connector 211, the plug-in part 212, the water inlet pipe 24, the flow guide sealing piece 25, the water blocking plate 231, the flow guide plate 232, the face cover 26, the waterproof ring 44, the bathtub body 60, the first opening 61, the second opening 62, the first pipe connector 71, the second pipe connector 72, the limiting plate 126, the blocking piece 127. DETAILED DESCRIPTION

[0035] The application provides a water inlet and water outlet device and a bathtub. In order to make the purpose, technical scheme and effect of the application more clear and explicit, the application is further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the application and not to limit the application.

[0036] Please refer to Figure 1 The embodiment discloses a water inlet and water outlet device which can be applied to a bathtub. The bathtub can adopt a conventional bathtub structure. The water inlet and water outlet device comprises a water outlet module 10, a water inlet module 20 and an overflow module 30.

[0037] The water outlet module 10 comprises a water outlet device 11 with a valve assembly 50 and a driving assembly 12 for controlling the opening and closing of the valve assembly 50.

[0038] The water inlet module 20 comprises a shell 21, a flow guide 22 and a flow guide frame 23. The flow guide 22 transports the water flow at the water inlet end of the shell 21 to the flow guide frame 23. The water flow forms a waterfall after passing through the flow guide frame 23 and flows out from the bottom of the flow guide frame 23.

[0039] The overflow module 30 comprises an overflow seat 31 with an overflow hole 311 at the bottom and an overflow pipe 32 in communication with the overflow hole 311. The overflow seat 31 is fixedly connected with the shell 21. The other end of the overflow pipe 32 is in communication with the water outlet device 11.

[0040] The water inlet and water outlet device disclosed by the embodiment can be applied to a bathtub. The water inlet and water outlet device comprises a water outlet module 10, a water inlet module 20 and an overflow module 30. A valve assembly 50 is added to the water outlet device 11. The opening and closing of the valve assembly 50 is controlled by the driving assembly 12. The water outlet device can be automatically controlled without manual operation, which is convenient for users. In addition, a flow guide frame 23 is added. The flow guide 22 transports the water flow at the water inlet end of the shell 21 to the flow guide frame 23. The water flow forms a waterfall after passing through the flow guide frame 23 and flows out from the bottom of the flow guide frame 23, which does not disturb the user. The flow guide frame 23 is arranged on the side wall of the bathtub. The water flow forms a waterfall and flows down along the side wall. The user can back against the side wall of the bathtub so that the back is below the water flow. The waterfall-shaped water flow also has a certain massage effect, which gives the user a good experience. In addition, the overflow seat 31 with the overflow hole 311 and the overflow pipe 32 in communication with the overflow hole 311 are arranged. The other end of the overflow pipe 32 is in communication with the water outlet device 11. The overflow water flow is guided to the water outlet device 11 through the overflow pipe 32 and discharged by the water outlet device 11. The overflow water flow is reasonably solved. The structure is simple and occupies a small space.

[0041] As Figure 7As shown, the drain 11 has a first drain port 111 and a second drain port 112, the first drain port 111 is upwardly arranged, specifically arranged at the position of the first opening 61 of the bottom of the bathtub body 60, used for discharging water in the bathtub body 60, the first drain port 111 is a circular structure, but not limited to a circular shape, the circular first drain port 111 facilitates the user to install the valve assembly 50, and the valve assembly 50 is installed in the first drain port 111, and the valve assembly 50 is used to control the drainage, compared with the conventional water port plug, it does not need manual operation, and the degree of automation is high; moreover, the overflow pipe 32 is communicated with the second drain port 112 through the first pipe joint 71, the first pipe joint 71 is a joint having internal threads at both ends, and the two ends are connected with the overflow pipe 32 and the drain 11 through threaded cooperation, so that the water in the overflow pipe 32 can be transported to the drain 11 and then discharged from the drain 11; in addition, in order to avoid the interference of the valve assembly 50 on the discharge of the overflow water, the valve assembly 50 and the second drain port 112 should not have relevance, which can be realized by a conventional pipe structure, for example, the positions of the first drain port 111 and the second drain port 112 are designed as a three-way pipe structure, the first drain port 111 is at the top of the three-way pipe, the second drain port 112 is directly communicated with the other port of the three-way pipe, and the valve assembly 50 is arranged only in the first drain port 111.

[0042] As shown in Figure 7 , the main body of the drain 11 is a water trap, which can be an S-shaped water trap, a P-shaped water trap, a U-shaped water trap, etc., and the U-shaped water trap is adopted in the embodiment, a U-shaped water column with a certain height is formed in the inside of the U-shaped water trap, the part of the water storage height is called the water seal height, which can prevent various contaminated gases from entering the other side of the drain 11.

[0043] As shown in Figure 1 and Figure 7 , the right end of the drain 11 is a final discharge port, and a second pipe joint 72 needs to be additionally arranged at the right end of the drain 11, the second pipe joint 72 is connected with the right end of the drain 11 through threaded cooperation, and the other end of the second pipe joint 72 is additionally provided with a drain elbow to guide the water out.

[0044] As shown in Figure 1As shown, the water drainer 11 controls the water drainage of the water drainer 11 by adding the valve assembly 50, which includes the base 51, the detachable base pad 52 fixed on the base 51, and the base cover 53 on the base pad 52. The base 51 has a trumpet-shaped structure and a buckle hole in the inside. The upper end surface of the base pad 52 is an arc-shaped structure, and the middle part forms a hole penetrating up and down. The lower part is connected with a buckle matched with the buckle hole. The base pad 52 is fixed with the base 51 by buckling, which is convenient for users to install. The base cover 53 is arranged above the base pad 52. When the base cover 53 is completely covered on the upper end of the base pad 52, the water flow cannot enter the water drainer 11 due to the blocking effect of the base cover 53. Moreover, the base cover 53 of the embodiment can be indirectly driven to rise by the driving assembly 12. When the base cover 53 rises, the water flow can flow into the hole in the middle part of the base pad 52 through the gap between the base cover 53 and the base pad 52, and finally enter the water drainer 11 and be discharged by the water drainer 11.

[0045] As shown in Figures 1 to 4 , the side wall of the bathtub body 60 is provided with a second opening hole 62. The water inlet module 20 and the overflow seat 31 are arranged at the position of the second opening hole 62. In order to improve the waterproof sealing performance during installation and avoid water leakage from the second opening hole 62 in the bathtub body 60, the first sealing ring 41 and the second sealing ring 42 are arranged between the shell 21 and the overflow seat 31. Before assembling the shell 21, the second sealing ring 42 is first assembled into the second opening hole 62 along the outside of the side wall of the bathtub body 60 to the direction of the basin cavity of the bathtub body 60. The second sealing ring 42 has a first clamping portion facing the side wall of the bathtub body 60. The outside of the first clamping portion forms a first clamping groove in the shape of a ring. The entire second sealing ring 42 is made of an elastic material, preferably a silica gel material. The first clamping portion can pass through the second opening hole 62 after deformation, and then clamps the side wall of the bathtub body 60 by using the first clamping groove. Then, the first sealing ring 41 and the shell 21 are installed. Then, the overflow seat 31 is assembled from the direction of the basin cavity of the bathtub body 60, so that one end surface of the overflow seat 31 is in close contact with one end of the first clamping portion of the first sealing ring 41. The middle part of the overflow seat 31 has a hole for the insertion of the insertion part 212 of the shell 21. After the assembly of the overflow seat 31 is completed, one end of the flow guide sealing piece 25 is inserted with the insertion part 212, and one end of the flow guide piece 22 is inserted with the other end of the flow guide sealing piece 25. By using such an assembly method, good sealing performance is achieved.

[0046] As shown in Figure 1 and Figure 7As shown, the third sealing ring 43 is sleeved outside the bottom support 51, the third sealing ring 43 has a second clamping portion towards the upper side of the bathtub body 60, the outer side of the second clamping portion forms a second clamping groove, the third sealing ring 43 is made of elastic material, preferably silicone material, the second clamping portion can pass through the first opening 61 after deformation, and then the second clamping groove clamps the bottom of the bathtub body 60, and then the bottom support 51 is installed, so that the bottom support 51 and the bathtub body 60 have good waterproof effect.

[0047] As shown in the drawings, Figure 9 The lower end of the bottom cover 53 is connected with an extension rod 54, a screw rod 55 and a shaft rod 56 in sequence, the shaft rod 56 is sleeved with a shaft sleeve 57, the driving assembly 12 includes a rotating arm 121, the rotating arm 121 has an internal threaded hole, the rotating arm 121 is threadedly connected with the outer thread of the screw rod 55 through the internal threaded hole, and the rotating arm 121 can rotate around the axis of the screw rod 55, and a limiting plate or the like is needed to limit the vertical position of the rotating arm 121 to avoid the lifting of the rotating arm 121, when the rotating arm 121 rotates, the screw rod 55 can be lifted vertically under the action of the thread, since the lower end of the screw rod 55 is connected with the shaft rod 56, the shaft rod 56 is sleeved with the shaft sleeve 57, and the shaft sleeve 57 can guide the screw rod 55 to move vertically only under the limiting action of the shaft sleeve 57, which is a clever structure.

[0048] As shown in the drawings, Figure 10 The driving assembly 12 further includes a pull wire 122 connected to one end of the rotating arm 121, a wire sleeve 123 sleeved outside the pull wire 122, and an electric cylinder 124 for pulling the pull wire 122, the pull wire 122 is movable in the wire sleeve 123, the pull wire 122 is made of steel wire and has a certain hardness, the rotating arm 121 can rotate around the axis of the screw rod 55 by pulling the pull wire 122 through the electric cylinder 124, so that the screw rod 55 drives the bottom cover 53 to move upwards to complete the valve opening action; the exposed end of the pull wire 122 close to the rotating arm 121 is further sleeved with a spring 125, in addition, a limiting plate 126 is arranged in the swinging direction of the rotating arm 121, the rotating arm 121 is limited by the limiting plate 126, and a baffle 127 is further needed to be added, so that the spring 125 is located between the baffle 127 and the rotating arm 121, under the action of the spring 125, the rotating arm 121 can automatically reset after the electric cylinder 124 stops pushing, so that the screw rod 55 drives the bottom cover 53 to move downwards to complete the valve closing action.

[0049] As shown in the drawings, Figure 2 And Figure 10As shown, the housing 21 is provided with a water inlet connector 211 and a plug-in part 212 communicating with the water inlet connector 211. The water inlet connector 211 is the water inlet end of the housing 21. One end of the water inlet connector 211 is connected to a water inlet pipe 24. A flow guide seal 25 is connected between the plug-in part 212 and the flow guide 22. The water inlet pipe 24 is used to provide cold water and hot water. Cold water and hot water are introduced from the water inlet pipe 24, transported to the flow guide seal 25 through the plug-in part 212, and then transported to the flow guide frame 23. The plug-in part 212 and the flow guide 22 are connected by the flow guide seal 25, which provides better sealing.

[0050] like Figure 1 and Figure 10 As shown, the flow guide 23 includes an arched water-blocking plate 231 and a flow guide plate 232 connected to the lower end of the water-blocking plate 231. The function of the water-blocking plate 231 is to prevent water from leaking out of the flow guide 23 and to guide the water flow to the flow guide plate 232. The flow guide plate 232 is set at an angle, and the water flow passing through the flow guide plate 232 will form a waterfall (or water curtain). When the waterfall-shaped water flow comes into contact with the user's back, it also has a certain massage effect on the user's back, giving the user a good experience.

[0051] like Figure 5 and Figure 6 As shown, the water inlet module 20 also includes a cover 26, which is fixedly connected to the overflow seat 31. The guide frame 23 is located between the cover 26 and the overflow seat 31. The bottom of the cover 26 and the guide frame 23 also form a water outlet. The water flow mentioned above that forms a waterfall after passing through the guide frame 23 and flows out from the bottom of the guide frame 23 refers to the water flowing out from this water outlet. The cover 26 is provided with a waterproof ring 44 that abuts against the water blocking plate 231 to further prevent water from leaking out from the contact point between the cover 26 and the water blocking plate 231.

[0052] The water supply process and the formation process of the waterfall are as follows: cold or hot water is delivered to the inlet connector 211 by the inlet pipe 24, and then delivered to the flow guide seal 25 through the flow channel of the plug part 212, and then delivered to the flow guide frame 23. Since the flow guide frame 23 has an arched water blocking plate 231 and an inclined flow guide plate 232, a cavity is formed between the overflow seat 31, the water blocking plate 231 and the cover 26. The water flow output by the flow guide seal 25 first hits the back of the cover 26, then flows along the gap on the back of the cover 26, and then flows into the cavity. The water in the cavity flows down along the flow guide plate 232 to form a waterfall, and finally flows out from the outlet formed at the bottom of the cover 26 and the flow guide frame 23.

[0053] This embodiment also discloses a bathtub, such as Figure 10As shown, the bathtub body 60 is in a conventional basin structure, having a bottom and four side walls, and is provided with water inlet and outlet devices. The bottom of the bathtub body 60 is provided with a first opening 61, and the drain 11 is arranged at the first opening 61. The side wall of the bathtub body 60 is provided with a second opening 62, and the water inlet module 20 and the overflow seat 31 are arranged at the second opening 62. The overflow seat 31 is directly assembled at the water inlet module 20, and no overflow hole needs to be arranged at other positions of the bathtub body 60. The structure is simple, and the processes of opening a hole and adding an overflow interface are omitted, so that the assembly is more convenient.

[0054] The preferred embodiments of the present application are specifically described above, but the present application is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application. The equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A water inlet water removal device characterized by, The utility model provides a kind of water-saving device, including: Drainage module (10), the drainage module (10) includes drain (11) with valve assembly (50), drive assembly (12) for controlling the on-off of the valve assembly (50), the drain (11) is U-shaped water trap; Water inlet module (20), the water inlet module (20) includes housing (21), flow guide (22), flow guide frame (23), the flow guide (22) water flow is transported to the flow guide frame (23) on the water inlet end of the housing (21), water flow forms waterfall and flows out from the bottom of the flow guide frame (23) after passing through the flow guide frame (23); Overflow module (30), the overflow module (30) includes overflow seat (31) with overflow hole (311) in bottom, overflow pipe (32) communicated with the overflow hole (311), the overflow seat (31) is fixed with the housing (21), the other end of the overflow pipe (32) is communicated with the drain (11); The flow guide frame (23) includes arched water-blocking plate (231), flow guide plate (232) connected to the lower end of the water-blocking plate (231), and the flow guide plate (232) is arranged obliquely. The water inlet module (20) further includes a face cover (26), the face cover (26) is fixed with the overflow seat (31), the flow guide frame (23) is located between the face cover (26) and the overflow seat (31), and the face cover (26) is provided with a waterproof ring (44) abutting against the water-blocking plate (231).

2. The water inlet and outlet device according to claim 1, characterized in that The drain (11) has a first drain port (111) and a second drain port (112), the valve assembly (50) is located in the first drain port (111), and the overflow pipe (32) is communicated with the second drain port (112).

3. The water inlet and outlet device according to claim 1, characterized in that The valve assembly (50) includes a bottom support (51), a detachable bottom pad (52) fixed on the bottom support (51), and a bottom cover (53) located on the bottom pad (52), and the bottom cover (53) is indirectly driven to rise and fall by the drive assembly (12).

4. A water inlet and water outlet device according to claim 3, wherein First and second sealing rings (41 and 42) are arranged between the housing (21) and the overflow seat (31), one end of the first sealing ring (41) is attached to the housing (21), one end of the second sealing ring (42) is attached to the overflow seat (31), and the opposite ends of the first and second sealing rings (41 and 42) are attached, and a third sealing ring (43) is sleeved outside the bottom support (51).

5. The water inlet and outlet device according to claim 3, wherein The bottom cover (53) is sequentially connected with an extension rod (54), a screw rod (55), and a shaft rod (56) at the lower end, the shaft rod (56) is sleeved with a shaft sleeve (57), the drive assembly (12) includes a rotating arm (121), the rotating arm (121) is threadedly connected with the screw rod (55) and can rotate around the axis of the screw rod (55).

6. A water inlet and water outlet device according to claim 5, wherein The driving assembly (12) further comprises a pull wire (122) connected at one end of the swing arm (121), a wire sleeve (123) sleeved outside the pull wire (122), an electric cylinder (124) for pulling the pull wire (122), a limiting plate (126) further arranged in the swing direction of the swing arm (121), a baffle (127) and a spring (125) further sleeved on the pull wire (122) towards the exposed end of the swing arm (121), and the spring (125) is located between the baffle (127) and the swing arm (121).

7. The water inlet and outlet device according to claim 1, wherein The shell (21) is provided with a water inlet connector (211) and a plug-in part (212) in communication with the water inlet connector (211), the water inlet connector (211) is the water inlet end of the shell (21), one end of the water inlet connector (211) is connected with a water inlet pipe (24), and a flow guide sealing piece (25) is connected between the plug-in part (212) and the flow guide piece (22).

8. A bath characterized by, The bathtub body (60) is provided with a first opening (61) at the bottom, the water inlet and outlet device is arranged at the position of the first opening (61), a side wall of the bathtub body (60) is provided with a second opening (62), and the water inlet module (20) and the overflow seat (31) are arranged at the position of the second opening (62).

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